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A POSSIBLE MODEL FOR THE DESIGN OF BEAM-COLUMNS

机译:梁柱设计的可能模型

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摘要

The paper presents a model based on the Ayrton-Perry approach, concerning the design of monosymmetrical beam-columns. The interaction between flexural buckling within the plane of symmetry and flexural-torsional buckling is taken into account, as well as the influence of imperfections and that of partial plasticity. The imperfection sensitivity of beam-columns concerning flexural buckling is smaller than in the case of axially loaded members (columns), because of the presence of primary bending moments. The proposed model gives the possibility to analyse the separate influence of all relevant parameters. Simple empirical formulas are preferable for current cases, but their applicability cannot be arbitrarily extended to more complex cases, where a more detailed investigation is necessary.
机译:本文提出了一个基于Ayrton-Perry方法的模型,涉及单对称梁柱的设计。考虑了对称平面内的挠曲屈曲与挠曲扭转屈曲之间的相互作用,以及缺陷和部分可塑性的影响。由于存在主要的弯矩,与挠性屈曲有关的梁柱的不完善敏感性要小于轴向受力构件(柱)的敏感性。所提出的模型为分析所有相关参数的单独影响提供了可能性。简单的经验公式适用于当前情况,但它们的适用性不能任意扩展到需要更详细调查的更复杂的情况。

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